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Big Telescopes

The Big Telescopes poster links ground and space based telescopes with the parts of the electromagnetic spectrum that they are observing and their locations on Earth or in space.

The poster explains how larger telescopes allow scientists to learn more about the early universe and map our own galaxy with...

Medical Imaging

A Catalyst article about microwaves, infrared, ultraviolet and X-rays which are all electromagnetic waves. The article looks at their different uses and why some are used to create medical images and others to treat disease. The article also explores how the electromagnetic spectrum is used by medical physicists to...

Mars Express

A Catalyst article about the idea of life on Mars. Scientists involved with the Mars Express mission aim to find out more and will try to establish if there ever has been life on Mars. The article looks at the miniature devices that they will employ on the mission. 

This article is from Catalyst: GCSE...

Lunar Exploration

Produced by the Royal Astronomical Society, this information booklet looks at how our knowledge of the Moon has been built up through observation, unmanned exploration and the lunar landings of the Apollo missions. Sections include: * Experiments on the Moon * Moon rocks * Structures on the lunar surface * Beneath...

Life in the Balance?

A Catalyst article about Earth’s biodiversity much of which appears to be teetering on the brink of a man-made extinction crisis. Scientists have suggested that, unless urgent action is taken now, many species will disappear in the next 50 years. This article looks at some of the issues involved.

This...

Journey into Inner Space

A Catalyst article about physicists working at Europe’s Large Hadron Collider who hope to have received the first results from what is probably the biggest, most expensive and most ambitious scientific experiment ever carried out. Later, they hope to solve the mystery of the fundamental forces of nature.

The...

iSquared Magazine Issue 6

This edition of iSquared magazine features:

The shape of time - Vérinique Pagé explains how Einstein’s theories of relatively completely altered our view of space and time and gave us the tools to understand the shape of our universe. ...

iSquared Magazine Issue 5

This edition of iSquared magazine features:

The mathematical origins of string theory - Andrew Dalrymple tells the story of how one of the most promising candidates for a “theory of everything” developed from the discovery of an application for a 200 year old...

Is There Anybody Out There?

A Catalyst article about the Kepler spacecraft, which is used to look for extra-solar planets. Scientists are hoping to shine light on the age old question of life’s existence elsewhere in the Universe using a new space-based telescope named Kepler. Launched on 6 March 2009, Kepler is searching the sky for small,...

Infrared Astronomy

Produced by the Royal Astronomical Society, this booklet describes the advances and uses of infrared astronomy. Using this wavelength to observe the universe allows astronomers to visualise phenomena such as dust clouds involved in the formation of new stars and identify elements present in the atmosphere of...

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